/*
 *
 *                 #####    #####   ######  ######  ###   ###
 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2013   Borek Patzak
 *
 *
 *
 *       Czech Technical University, Faculty of Civil Engineering,
 *   Department of Structural Mechanics, 166 29 Prague, Czech Republic
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "sm/Elements/Axisymmetry/l4axisymm.h"
#include "fei2dquadlin.h"
#include "node.h"
#include "gausspoint.h"
#include "gaussintegrationrule.h"
#include "floatmatrix.h"
#include "floatarray.h"
#include "intarray.h"
#include "domain.h"
#include "engngm.h"
#include "mathfem.h"
#include "crosssection.h"
#include "classfactory.h"

#ifdef __OOFEG
 #include "oofeggraphiccontext.h"
 #include "oofegutils.h"
 #include "connectivitytable.h"
#endif

namespace oofem {
REGISTER_Element(L4Axisymm);

FEI2dQuadLinAxi L4Axisymm :: interpolation(1, 2);

L4Axisymm :: L4Axisymm(int n, Domain *aDomain) :
    AxisymElement(n, aDomain), ZZNodalRecoveryModelInterface(this), SpatialLocalizerInterface(this)
{
    numberOfDofMans  = 4;
    numberOfGaussPoints = 4;
    numberOfFiAndShGaussPoints = 1;
}


L4Axisymm :: ~L4Axisymm()
{ }


FEInterpolation *
L4Axisymm :: giveInterpolation() const { return & interpolation; }


Interface *
L4Axisymm :: giveInterface(InterfaceType interface)
{
    if ( interface == ZZNodalRecoveryModelInterfaceType ) {
        return static_cast< ZZNodalRecoveryModelInterface * >(this);
    } else if ( interface == SPRNodalRecoveryModelInterfaceType ) {
        return static_cast< SPRNodalRecoveryModelInterface * >(this);
    } else if ( interface == SpatialLocalizerInterfaceType ) {
        return static_cast< SpatialLocalizerInterface * >(this);
    }

    return NULL;
}


IRResultType
L4Axisymm :: initializeFrom(InputRecord *ir)
{
    numberOfGaussPoints = 4;
    IRResultType result = NLStructuralElement :: initializeFrom(ir);
    if ( result != IRRT_OK ) {
        return result;
    }


    if ( !( ( numberOfGaussPoints == 1 ) ||
           ( numberOfGaussPoints == 4 ) ||
           ( numberOfGaussPoints == 9 ) ||
           ( numberOfGaussPoints == 16 ) ) ) {
        numberOfGaussPoints = 4;
    }

    numberOfFiAndShGaussPoints = 1;

    return IRRT_OK;
}



void
L4Axisymm :: computeBmatrixAt(GaussPoint *gp, FloatMatrix &answer, int li, int ui)
{
    // Returns the [ 6 x (nno*2) ] strain-displacement matrix {B} of the receiver,
    // evaluated at gp. Uses reduced integration.
    // (epsilon_x,epsilon_y,...,Gamma_xy) = B . r
    // r = ( u1,v1,u2,v2,u3,v3,u4,v4)

    FloatArray N, NRed, redCoord;
    if ( numberOfFiAndShGaussPoints == 1 ) { // Reduced integration
        redCoord  = {0.0, 0.0}; // eval in centroid
    } else {
        redCoord = gp->giveNaturalCoordinates();
    }


    FEInterpolation *interp = this->giveInterpolation();
        

    interp->evalN( N, gp->giveNaturalCoordinates(), FEIElementGeometryWrapper(this) );
    interp->evalN( NRed, redCoord, FEIElementGeometryWrapper(this) );
    
    // Evaluate radius at center
    double r = 0.0;
    for ( int i = 1; i <= this->giveNumberOfDofManagers(); i++ ) {
        double x = this->giveNode(i)->giveCoordinate(1);
        r += x * NRed.at(i);
    } 
    
    FloatMatrix dNdx, dNdxRed;
    interp->evaldNdx( dNdx, gp->giveNaturalCoordinates(), FEIElementGeometryWrapper(this) );
    interp->evaldNdx( dNdxRed, redCoord, FEIElementGeometryWrapper(this) );
    answer.resize(6, dNdx.giveNumberOfRows() * 2);
    answer.zero();

    for ( int i = 1; i <= dNdx.giveNumberOfRows(); i++ ) {
        answer.at(1, i * 2 - 1) = dNdx.at(i, 1);
        answer.at(2, i * 2 - 0) = dNdx.at(i, 2);
        answer.at(3, i * 2 - 1) = NRed.at(i) / r;
        answer.at(6, 2 * i - 1) = dNdxRed.at(i, 2);
        answer.at(6, 2 * i - 0) = dNdxRed.at(i, 1);
    }
}

void
L4Axisymm :: SPRNodalRecoveryMI_giveSPRAssemblyPoints(IntArray &pap)
{
    pap.resize(4);
    for ( int i = 1; i < 5; i++ ) {
        pap.at(i) = this->giveNode(i)->giveNumber();
    }
}

void
L4Axisymm :: SPRNodalRecoveryMI_giveDofMansDeterminedByPatch(IntArray &answer, int pap)
{
    int found = 0;
    answer.resize(1);

    for ( int i = 1; i < 5; i++ ) {
        if ( pap == this->giveNode(i)->giveNumber() ) {
            found = 1;
        }
    }

    if ( found ) {
        answer.at(1) = pap;
    } else {
        OOFEM_ERROR("node unknown");
    }
}

int
L4Axisymm :: SPRNodalRecoveryMI_giveNumberOfIP()
{
    return this->giveDefaultIntegrationRulePtr()->giveNumberOfIntegrationPoints();
}


SPRPatchType
L4Axisymm :: SPRNodalRecoveryMI_givePatchType()
{
    return SPRPatchType_2dxy;
}



#ifdef __OOFEG
 #define TR_LENGHT_REDUCT 0.3333

void L4Axisymm :: drawRawGeometry(oofegGraphicContext &gc, TimeStep *tStep)
{
    WCRec p [ 4 ];
    GraphicObj *go;

    if ( !gc.testElementGraphicActivity(this) ) {
        return;
    }

    EASValsSetLineWidth(OOFEG_RAW_GEOMETRY_WIDTH);
    EASValsSetColor( gc.getElementColor() );
    EASValsSetEdgeColor( gc.getElementEdgeColor() );
    EASValsSetEdgeFlag(true);
    EASValsSetLayer(OOFEG_RAW_GEOMETRY_LAYER);
    EASValsSetFillStyle(FILL_HOLLOW);
    p [ 0 ].x = ( FPNum ) this->giveNode(1)->giveCoordinate(1);
    p [ 0 ].y = ( FPNum ) this->giveNode(1)->giveCoordinate(2);
    p [ 0 ].z = 0.;
    p [ 1 ].x = ( FPNum ) this->giveNode(2)->giveCoordinate(1);
    p [ 1 ].y = ( FPNum ) this->giveNode(2)->giveCoordinate(2);
    p [ 1 ].z = 0.;
    p [ 2 ].x = ( FPNum ) this->giveNode(3)->giveCoordinate(1);
    p [ 2 ].y = ( FPNum ) this->giveNode(3)->giveCoordinate(2);
    p [ 2 ].z = 0.;
    p [ 3 ].x = ( FPNum ) this->giveNode(4)->giveCoordinate(1);
    p [ 3 ].y = ( FPNum ) this->giveNode(4)->giveCoordinate(2);
    p [ 3 ].z = 0.;

    go =  CreateQuad3D(p);
    EGWithMaskChangeAttributes(WIDTH_MASK | FILL_MASK | COLOR_MASK | EDGE_COLOR_MASK | EDGE_FLAG_MASK | LAYER_MASK, go);
    EGAttachObject(go, ( EObjectP ) this);
    EMAddGraphicsToModel(ESIModel(), go);
}


void L4Axisymm :: drawDeformedGeometry(oofegGraphicContext &gc, TimeStep *tStep, UnknownType type)
{
    WCRec p [ 4 ];
    GraphicObj *go;
    double defScale = gc.getDefScale();

    if ( !gc.testElementGraphicActivity(this) ) {
        return;
    }

    EASValsSetLineWidth(OOFEG_DEFORMED_GEOMETRY_WIDTH);
    EASValsSetColor( gc.getDeformedElementColor() );
    EASValsSetEdgeColor( gc.getElementEdgeColor() );
    EASValsSetEdgeFlag(true);
    EASValsSetLayer(OOFEG_DEFORMED_GEOMETRY_LAYER);
    EASValsSetFillStyle(FILL_HOLLOW);
    p [ 0 ].x = ( FPNum ) this->giveNode(1)->giveUpdatedCoordinate(1, tStep, defScale);
    p [ 0 ].y = ( FPNum ) this->giveNode(1)->giveUpdatedCoordinate(2, tStep, defScale);
    p [ 0 ].z = 0.;
    p [ 1 ].x = ( FPNum ) this->giveNode(2)->giveUpdatedCoordinate(1, tStep, defScale);
    p [ 1 ].y = ( FPNum ) this->giveNode(2)->giveUpdatedCoordinate(2, tStep, defScale);
    p [ 1 ].z = 0.;
    p [ 2 ].x = ( FPNum ) this->giveNode(3)->giveUpdatedCoordinate(1, tStep, defScale);
    p [ 2 ].y = ( FPNum ) this->giveNode(3)->giveUpdatedCoordinate(2, tStep, defScale);
    p [ 2 ].z = 0.;
    p [ 3 ].x = ( FPNum ) this->giveNode(4)->giveUpdatedCoordinate(1, tStep, defScale);
    p [ 3 ].y = ( FPNum ) this->giveNode(4)->giveUpdatedCoordinate(2, tStep, defScale);
    p [ 3 ].z = 0.;

    go =  CreateQuad3D(p);
    EGWithMaskChangeAttributes(WIDTH_MASK | FILL_MASK | COLOR_MASK | EDGE_COLOR_MASK | EDGE_FLAG_MASK | LAYER_MASK, go);
    EMAddGraphicsToModel(ESIModel(), go);
}



void L4Axisymm :: drawScalar(oofegGraphicContext &gc, TimeStep *tStep)
{
    int i, indx, result = 0;
    WCRec p [ 4 ];
    GraphicObj *tr;
    FloatArray v [ 4 ];
    double s [ 4 ], defScale;

    if ( !gc.testElementGraphicActivity(this) ) {
        return;
    }

    EASValsSetLayer(OOFEG_VARPLOT_PATTERN_LAYER);
    if ( gc.giveIntVarMode() == ISM_recovered ) {
        for ( i = 1; i <= 4; i++ ) {
            result += this->giveInternalStateAtNode(v [ i - 1 ], gc.giveIntVarType(), gc.giveIntVarMode(), i, tStep);
        }

        if ( result != 4 ) {
            return;
        }

        indx = gc.giveIntVarIndx();

        for ( i = 1; i <= 4; i++ ) {
            s [ i - 1 ] = v [ i - 1 ].at(indx);
        }

        if ( gc.getScalarAlgo() == SA_ISO_SURF ) {
            for ( i = 0; i < 4; i++ ) {
                if ( gc.getInternalVarsDefGeoFlag() ) {
                    // use deformed geometry
                    defScale = gc.getDefScale();
                    p [ i ].x = ( FPNum ) this->giveNode(i + 1)->giveUpdatedCoordinate(1, tStep, defScale);
                    p [ i ].y = ( FPNum ) this->giveNode(i + 1)->giveUpdatedCoordinate(2, tStep, defScale);
                    p [ i ].z = 0.;
                } else {
                    p [ i ].x = ( FPNum ) this->giveNode(i + 1)->giveCoordinate(1);
                    p [ i ].y = ( FPNum ) this->giveNode(i + 1)->giveCoordinate(2);
                    p [ i ].z = 0.;
                }
            }

            //EASValsSetColor(gc.getYieldPlotColor(ratio));
            gc.updateFringeTableMinMax(s, 4);
            tr =  CreateQuadWD3D(p, s [ 0 ], s [ 1 ], s [ 2 ], s [ 3 ]);
            EGWithMaskChangeAttributes(LAYER_MASK, tr);
            EMAddGraphicsToModel(ESIModel(), tr);

            /*
             * } else if (gc.getScalarAlgo() == SA_ISO_LINE) {
             *
             * EASValsSetColor(context.getActiveCrackColor());
             * EASValsSetLineWidth(OOFEG_ISO_LINE_WIDTH);
             *
             * for (i=0; i< 4; i++) {
             * if (gc.getInternalVarsDefGeoFlag()) {
             * // use deformed geometry
             * defScale = gc.getDefScale();
             * p[i].x = (FPNum) this->giveNode(i+1)->giveUpdatedCoordinate(1,tStep,defScale);
             * p[i].y = (FPNum) this->giveNode(i+1)->giveUpdatedCoordinate(2,tStep,defScale);
             * p[i].z = 0.;
             *
             * } else {
             * p[i].x = (FPNum) this->giveNode(i+1)->giveCoordinate(1);
             * p[i].y = (FPNum) this->giveNode(i+1)->giveCoordinate(2);
             * p[i].z = 0.;
             * }
             * }
             *
             * // isoline implementation
             * oofeg_drawIsoLinesOnQuad (p, s);
             *
             */
        }
    } else if ( gc.giveIntVarMode() == ISM_local ) {
        if ( numberOfGaussPoints != 4 ) {
            return;
        }

        IntArray ind(4);
        WCRec pp [ 9 ];

        for ( i = 0; i < 4; i++ ) {
            if ( gc.getInternalVarsDefGeoFlag() ) {
                // use deformed geometry
                defScale = gc.getDefScale();
                pp [ i ].x = ( FPNum ) this->giveNode(i + 1)->giveUpdatedCoordinate(1, tStep, defScale);
                pp [ i ].y = ( FPNum ) this->giveNode(i + 1)->giveUpdatedCoordinate(2, tStep, defScale);
                pp [ i ].z = 0.;
            } else {
                pp [ i ].x = ( FPNum ) this->giveNode(i + 1)->giveCoordinate(1);
                pp [ i ].y = ( FPNum ) this->giveNode(i + 1)->giveCoordinate(2);
                pp [ i ].z = 0.;
            }
        }

        for ( i = 0; i < 3; i++ ) {
            pp [ i + 4 ].x = 0.5 * ( pp [ i ].x + pp [ i + 1 ].x );
            pp [ i + 4 ].y = 0.5 * ( pp [ i ].y + pp [ i + 1 ].y );
            pp [ i + 4 ].z = 0.5 * ( pp [ i ].z + pp [ i + 1 ].z );
        }

        pp [ 7 ].x = 0.5 * ( pp [ 3 ].x + pp [ 0 ].x );
        pp [ 7 ].y = 0.5 * ( pp [ 3 ].y + pp [ 0 ].y );
        pp [ 7 ].z = 0.5 * ( pp [ 3 ].z + pp [ 0 ].z );

        pp [ 8 ].x = 0.25 * ( pp [ 0 ].x + pp [ 1 ].x + pp [ 2 ].x + pp [ 3 ].x );
        pp [ 8 ].y = 0.25 * ( pp [ 0 ].y + pp [ 1 ].y + pp [ 2 ].y + pp [ 3 ].y );
        pp [ 8 ].z = 0.25 * ( pp [ 0 ].z + pp [ 1 ].z + pp [ 2 ].z + pp [ 3 ].z );

        for ( GaussPoint *gp: *this->giveDefaultIntegrationRulePtr() ) {
            const FloatArray &gpCoords = gp->giveNaturalCoordinates();
            if ( ( gpCoords.at(1) > 0. ) && ( gpCoords.at(2) > 0. ) ) {
                ind.at(1) = 0;
                ind.at(2) = 4;
                ind.at(3) = 8;
                ind.at(4) = 7;
            } else if ( ( gpCoords.at(1) < 0. ) && ( gpCoords.at(2) > 0. ) ) {
                ind.at(1) = 4;
                ind.at(2) = 1;
                ind.at(3) = 5;
                ind.at(4) = 8;
            } else if ( ( gpCoords.at(1) < 0. ) && ( gpCoords.at(2) < 0. ) ) {
                ind.at(1) = 5;
                ind.at(2) = 2;
                ind.at(3) = 6;
                ind.at(4) = 8;
            } else {
                ind.at(1) = 6;
                ind.at(2) = 3;
                ind.at(3) = 7;
                ind.at(4) = 8;
            }

            if ( giveIPValue(v [ 0 ], gp, gc.giveIntVarType(), tStep) == 0 ) {
                return;
            }

            indx = gc.giveIntVarIndx();

            for ( i = 1; i <= 4; i++ ) {
                s [ i - 1 ] = v [ 0 ].at(indx);
            }

            for ( i = 0; i < 4; i++ ) {
                p [ i ].x = pp [ ind.at(i + 1) ].x;
                p [ i ].y = pp [ ind.at(i + 1) ].y;
                p [ i ].z = pp [ ind.at(i + 1) ].z;
            }

            gc.updateFringeTableMinMax(s, 4);
            tr =  CreateQuadWD3D(p, s [ 0 ], s [ 1 ], s [ 2 ], s [ 3 ]);
            EGWithMaskChangeAttributes(LAYER_MASK, tr);
            EMAddGraphicsToModel(ESIModel(), tr);
        }
    }
}


#endif
} // end namespace oofem
